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Structural effects and nanoparticle size are essential for quantum dots-metallothionein complex formation
K. Tmejova, D. Hynek, P. Kopel, J. Gumulec, S. Krizkova, R. Guran, Z. Heger, M. Kalina, M. Vaculovicova, V. Adam, R. Kizek,
Colloids and surfaces. B, Biointerfaces.
2015 ;
134 (-) :
262-72.
[pub] 20150626
Language English Country Netherlands
Document type Journal Article, Research Support, Non-U.S. Gov't
Persistent link
https://www.medvik.cz/link/bmc16028349
- MeSH
- Electrochemical Techniques MeSH
- Spectrometry, Fluorescence MeSH
- Rabbits MeSH
- Quantum Dots * MeSH
- Metallothionein chemistry MeSH
- Molecular Structure MeSH
- Nanoparticles * MeSH
- Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization MeSH
- Animals MeSH
- Check Tag
- Rabbits MeSH
- Animals MeSH
- Publication type
- Journal Article MeSH
- Research Support, Non-U.S. Gov't MeSH
Interaction between semiconductor nanocrystals, cadmium telluride quantum dots (CdTe QDs) capped with mercaptosuccinic acid (MSA) and metallothionein (MT) was investigated. MSA-capped CdTe QDs were synthesized in aqueous solution. Mixture of MT and MSA-capped CdTe QDs has been investigated by various analytical methods as follows: tris-tricine gel electrophoresis, fluorescence evaluation and electrochemical detection of catalysed hydrogen evolution. The obtained results demonstrate that MSA-capped CdTe QDs and MT do not create firmly bound stabile complex. However, weak electrostatic interactions contribute to the interaction of MT with MSA-capped CdTeQDs. It can be concluded that QDs size influences the QDs and MT interaction. The smallest QDs had the highest affinity to MT and vice versa.
References provided by Crossref.org
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